
#screen {
    width: 400px;
    height: 200px;
    font-size: 20px;
    background-color: gray;
    color: white;
    border-radius: 10px;

    text-align: center;
    line-height: 100px;
}

#button,#button1 {
    width: 400px;
    height: 50px;
    font-size: 20px;
    color: white;
    background-color: orange;
    border: none;
    outline: none;
    border-radius: 10px;
    
    text-align: center;
    line-height: 50px;
    margin-top: 20px;
}

#button:active {
    background-color: gray;
}
#button1:active {
    background-color: gray;
}
.container>div {
    display:grid;
}